34781212 has 6 divisors (see below), whose sum is σ = 60867128. Its totient is φ = 17390604.

The previous prime is 34781183. The next prime is 34781213. The reversal of 34781212 is 21218743.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34781213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4347648 + ... + 4347655.

Almost surely, 2^34781212 is an apocalyptic number.

It is an amenable number.

34781212 is a deficient number, since it is larger than the sum of its proper divisors (26085916).

34781212 is a wasteful number, since it uses less digits than its factorization.

34781212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8695307 (or 8695305 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 34781212 is about 5897.5598343722. The cubic root of 34781212 is about 326.4236153097.

Adding to 34781212 its reverse (21218743), we get a palindrome (55999955).

The spelling of 34781212 in words is "thirty-four million, seven hundred eighty-one thousand, two hundred twelve".